SQL Server Advanced Performance Tuning – Expert-Level Quiz

SQL Server Advanced Performance Tuning - Expert-Level Quiz

Are you ready to push your SQL Server skills to the limit? This expert-level quiz is designed to challenge even the most seasoned SQL Server professionals. Test your advanced performance tuning skills, from optimizing queries and indexes to managing server resources and troubleshooting performance bottlenecks. Let’s see if you have what it takes to be an SQL Server advanced performance tuning expert.

1 / 20

What is the purpose of the DBCC CHECKTABLE command?

To check the integrity of the database

To check the integrity of the buffer

To check the integrity of a table or indexed view

None of the above

2 / 20

Which of the following is a vaild syntax?

SET SHOWPLAN_XML { ON | OFF }

SET SHOWPLAN { ON | OFF }

SET SHOW_XML { ON | OFF }

None of the above

3 / 20

Which design strategy can reduce the occurrence of blocking locks?

Make sure that CREATE and DROP statements use an existing index

Use clustered indexes on high-usage tables

Use clustered indexes on less-usage tables

Use non-clustered indexes on high-usage tables

4 / 20

Which mode has an exclusive range and exclusive resource lock?

RangeX_X

RangeS_U

RangeI_N

RangeS_S

5 / 20

Which DMV can be used to monitor index usage?

sys.dm_db_index_operational_stats

sys.dm_db_index_physical_stats

sys.dm_db_index_usage_stats

sys.dm_db_index_virtual_stats

6 / 20

Which of the following conditions will ignore the request to enable delayed durability?

DELAYED_DURABILITY = IGNORED

DELAYED_DURABILITY = FORCED

DELAYED_DURABILITY = NULL

DELAYED_DURABILITY = 0

7 / 20

What is the purpose of the MAXDOP option in SQL Server?

To maximize the database performance

To maximize the disk usage

To limit the database size

To limit the number of processors used for parallel plan execution

8 / 20

The maximum size for all caches is based on what size?

Hard disk

RAM

SSD

Buffer pool

9 / 20

What is the purpose of the DBCC SQLPERF command?

To provide disk usage statistics

To provide transaction log space usage statistics

To provide CPU usage statistics

To provide memory usage statistics

10 / 20

One of the following locks is incompatible with all lock modes.

Intent exclusive (IX)

Bulk update

Schema stability

Schema modification

11 / 20

Which DMV can be used to monitor memory usage?

sys.dm_os_memory_cache_entries

sys.dm_os_memory_clerks

sys.dm_os_memory_cache_counters

sys.dm_os_memory_cache_hash_tables

12 / 20

Which of the following statements is correct?

SET SHOWPLAN_TEXT causes Microsoft SQL Server to execute Transact-SQL statements

All of the above

The setting of SET SHOWPLAN_XML is set at execute or run time and not at parse time

The setting of SET SHOWPLAN_ALL is set at execute or run time and not at parse time

13 / 20

What is the purpose of the DBCC SHRINKDATABASE command?

To reduce the size of the transaction log

To reduce the size of the buffer pool

To reduce the size of the procedure cache

To reduce the size of the data and log files in the specified database

14 / 20

Which of the following is a wrong statement?

By default, SQL Server transactions times out after a certain time

Table-level locking hints can be used when a finer control of the types of locks acquired on an object is required

Schema modification (Sch-M) locks are used when a table data definition language operation is being performed

Disallowing a locking level can affect concurrency adversely

15 / 20

Which SQL Server feature helps in identifying missing indexes?

SQL Server Configuration Manager

SQL Server Profiler

SQL Server Agent

Database Engine Tuning Advisor

16 / 20

Which of the following arguments is ignored by the database engine in COMMIT TRANSACTION?

@tran_name_variable

@tran_name

transaction_name

None of the above

17 / 20

Which SQL Server feature allows you to capture detailed information about query execution?

SQL Server Agent

SQL Server Profiler

SQL Server Configuration Manager

Extended Events

18 / 20

Which of the following displays the profile information for a statement?

SET STATISTICS

SET STATS PROFILE

SET STATISTICS PROFILE

SET DISPLAY PROFILE

19 / 20

Which of the following marks the end of a successful implicit or explicit transaction?

COMMIT WORK

SUCCESSFUL TRANSACTION

ROLLBACK TRANSACTION

COMMIT TRANSACTION

20 / 20

What is the primary purpose of indexing in SQL Server?

To simplify database design

To increase storage space

To secure the database

To speed up data retrieval

Your score is

The average score is 0%

Do you think you’ve mastered SQL Server’s nuances? Now is the time to distinguish yourself as a true SQL Server advanced performance tuning virtuoso with this expert-level quiz.

In SQL Server, performance tuning is akin to wielding a finely tuned instrument in data management. It involves the art and science of optimizing the performance of your SQL Server databases. This is done by fine-tuning various elements such as queries, indexes, configuration settings, and more.

Your mastery will enhance the efficiency and speed of database operations and elevate your expertise as an SQL Server professional.

Good luck!